More than 95% of Thoroughbreds share the same paternal lineage, and almost half of the genetic makeup of the breed can be attributed to just 10 foundation horses. These facts are just a few of the ...

Too much linebreeding and prioritizing pedigree can narrow genetic diversity and lead to horse health problems in future generations of foals.

Relatedness is a fundamental concept in everyday life and in quantitative genetics. It has a central role in efforts to understand genetic mechanisms and in predicting phenotypes, as well as in ...